\[\frac{2x - 4}{x + 6} \leq 4^{\backslash x + 6}\]
\[2x - 4 - 4x - 24 = - 2x - 28 =\]
\[= - 2(x + 14)\]
\[- \frac{2(x + 14)}{x + 6} \leq 0\]
\[Ответ:x \in ( - \infty; - 14\rbrack \cup ( - 6; + \infty).\]